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Finding the Fourth Proportional to 586,989.68, 880,673.64 and 267,255.92

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Solution

The fourth proportional to 586,989.68, 880,673.64 and 267,255.92 is: 400,969.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,989.68 : 880,673.64 = 267,255.92 : x
  2. Step 2: Convert to fraction form
    586,989.68/880,673.64 = 267,255.92/x
  3. Step 3: Cross multiply
    586,989.68x = 880,673.64 × 267,255.92
  4. Step 4: Simplify right side
    586,989.68x = 235,365,243,877.95
  5. Step 5: Solve for x
    x = 235,365,243,877.95/586,989.68
  6. Step 6: Final answer
    x = 400,969.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.